This bugzilla has Keywords: Regression. Since no regressions are allowed between releases, it is also being proposed as a blocker for this release. Please resolve ASAP.
*** Bug 455368 has been marked as a duplicate of this bug. ***
Can we add it to the upcoming 0day update?
added to CVS, tagged as firefox-3_0_1-3_el4
Fixed already in 3.0.5.